Add 18/9 and 12/70
1st number: 2 0/9, 2nd number: 12/70
18/9 + 12/70 is 76/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
18/9 = 18 × 70/9 × 70 = 1260/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630 - Add the two like fractions:
1260/630 + 108/630 = 1260 + 108/630 = 1368/630 - 1368/630 simplified gives 76/35
- So, 18/9 + 12/70 = 76/35
In mixed form: 26/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+12/70 18/9+24/70 54/9+12/70 18/9+36/70 18/27+12/70 90/9+12/70 18/9+60/70 18/45+12/70 18/9+84/70 18/63+12/70